Power scrubber



FIG. 1 is a perspective view of my design;

FIG. 2 is a front elevational view of my design;

FIG. 3 is a side elevational view of my design, the opposite side viewbeing a mirror image thereof.

FIG. 4 is a back elevational view of my design;

FIG. 5 is a top view of my design; and,

FIG. 6 is a bottom view of my design.

The features shown in broken lines in FIG. 1 are shown for illustrativepurpose only and form no part of the claimed design.

The ornamental design for a power scrubber, as shown and described.